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      Low voltage electrical apparatus

      Low-voltage Apparatus

      Program overview

      Power supplies are widely used in modern electronic products, which need to have certain anti-interference ability, isolation and protection functions. Different countries and regions have a series of certification standards for various power supplies entering the market to ensure the quality of power products. ITech has a rich product line of power test instruments, including AC and DC sources, AC and DC loads, power analyzers, and its9500 power module automatic test system.

      Application document

      Main criteria

      • CISPR11/GB 4824

        IEC 60947-1/GB 10408.1

        IEC 60947-2/GB 10408.2

        IEC 60947-3/GB 10408.3

        IEC 60947-4/GB 10408.4

        IEC 60947-5/GB 10408.5

        IEC 60947-6/GB 10408.6

        IEC 60947-10/GB 10408.10

      • 《Industrial, scientific and medical (ISM) radio frequency equipment - Limits and methods of measurement of electromagnetic disturbance characteristics》

        《Low voltage switchgear and controlgear Part 1: General》

        《Low voltage switchgear and controlgear Part 2: circuit breakers》

        《Low voltage switchgear and controlgear - Part 3: switches, isolators, disconnectors, and fuse assemblies》

        《Low voltage switchgear and controlgear Part 4-1: Contactors and motor starters electromechanical contactors and motor starters (including motor protectors)》

        《Low voltage switchgear and controlgear Part 5-1: control circuit appliances and switching elements electromechanical control circuit appliances》

        《Low voltage switchgear and controlgear Part 4-2: Contactors and motor starters AC semiconductor motor controllers and starters (including soft starters)》

        《Low voltage switchgear and controlgear - Part 5-2: control circuit appliances and switching elements - Proximity switches》

      Test items

      EMS test item 8

      ? Electrostatic discharge immunity, contact discharge 4KV, air discharge 8Kv
      ? RF electric field radiation immunity, maximum test field strength 10v/m
      ? Electrical fast transient burst immunity, maximum test level 4KV
      ? Surge (impact) immunity, maximum test level 4KV
      ? RF conducted disturbance immunity, maximum test level 10V
      ? Power frequency magnetic field immunity, test field strength 30a/m
      ? Voltage sag, short-time interruption and voltage variation immunity, according to iec61000-4-11
      ? The low-frequency immunity of harmonic, inter harmonic and grid signals at the AC power port shall be in accordance with iec61000-4-13

      EMS test item 8

      ? Conducted disturbance voltage, 150khz-30mhz, qp/av
      ? Radiation disturbance, 30mhz-1ghz, QP
      ? Harmonic current emission test according to IEC 61000-3-2
      ? Voltage fluctuation and flicker test according to IEC 61000-3-3

      Other industry solutions

      Shanghai suoshen electronics is widely used in many industries, such as medical treatment, automotive electronics, home appliances, lighting, electrical appliances, power supply, power facilities and so on

      More solutions

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